Table 3.
Five-year survival rates for N0 nasopharyngeal carcinoma patients according to different T-classifications of the seventh edition of AJCC staging system
| Stage | Death | Local recurrence | Distant metastasis | |||
| Event/N | 5-year OS (%) | Event/N | 5-year LRFS (%) | Event/N | 5-year DMFS (%) | |
| T1N0 | 1/60 | 97.8 | 0/60 | 100 | 2/60 | 96.6 |
| T2N0 | 0/16 | 100 | 1/16 | 92.9 | 1/16 | 90.9 |
| T3N0 | 1/16 | 93.8 | 0/16 | 100 | 0/16 | 100 |
| T4N0 | 4/18 | 76.9 | 2/18 | 88.9 | 1/18 | 93.3 |
OS, overall survival; LRFS, local relapse-free survival; DMFS, distant metastasis-free survival